Check out the companies making headlines in midday trading: Delta Air Lines — The Atlanta-based carrier tumbled nearly 9% after slashing its first-quarter revenue and earnings guidance, citing weak domestic demand and macroeconomic uncertainty. Delta forecast revenue in the current quarter growing no more than 5% on a yearly basis, down from a January estimate calling for a 6% to 8% rise. The airline also lowered its adjusted earnings forecast to 30 cents to 50 cents per share from a prior range of 70 cents to $1 a share. Verizon Communications — The mobile phone and internet service provider dropped nearly 7% after saying wireless subscriber growth in the first quarter will soften due to off-season promotions by competitors. Verizon is still targeting single-digit growth in annual phone upgrades, seeing a rebound later in 2025. Southwest Airlines — The Dallas-based budget airline surged 10% after saying it will start charging for check-in bags and offer a basic economy fare. The changes came after pressure from activist investor Elliott Investment Management. GE HealthCare Technologies — The medical equipment maker rose 2.3% after Goldman Sachs upgraded its investment opinion to buy from neutral and raised its 12-month price target, saying the company’s growth prospects are improving alongside the Chinese market outlook. Asana — Shares collapsed almost 25% after CEO Dustin Moskovitz announced his retirement . Asana also issued soft guidance. The company now expects first-quarter revenue of between $184.5 million and $186.5 million, lower than the consensus estimate of $191 million, according to LSEG. Asana also sees full-year revenue of $782 million to $790 million, while analysts were looking for $803.5 million. Oracle — The cloud computing stock declined more than 4% after fiscal third-quarter earnings were weaker than expected. Oracle reported $1.47 in adjusted earnings per share, while analysts surveyed by LSEG forecast $1.49. Kohl’s — The department store tumbled 22.2% following weak forward guidance and fourth-quarter results . The retailer estimated earnings per share of 10 cents to 60 cents in the current fiscal year, less than half of the $1.23 expected by analysts, according to LSEG. Kohl’s expects net sales falling 5% to 7%, while analysts forecast a 1.6% decline. Reddit — The social network stock surged about 11%. Loop Capital said Reddit has “the biggest upside potential relative to Street estimates in our coverage universe,” saying the pullback presents a buying opportunity. Teradyne — The designer and manufacturer of automated test equipment and robotics systems plunged 17.5% after lowering its guidance ahead of its Investor Day. Teradyne now expects revenue in the second quarter to come in flat to down 10%, after previously forecasting revenue growth between 5% and 10%. Management cited uncertainty from tariffs and trade restrictions. — CNBC’s Yun Li, Sarah Min and Sean Conlon contributed reporting.